The Holosun HS510C Green Dot Sight 2 MOA Dot and 65 MOA Circle, Flat Dark Earth is a red dot sight.
The HS510C-GR-FDE pairs Holosun’s wide-window open reflex optic with a high-visibility green Multi-Reticle System and a durable flat dark earth finish.
Its aluminum housing with titanium hood, combined with Solar Failsafe and Shake Awake, delivers fast target acquisition and dependable performance for carbines, PCCs, and shotguns.
A red dot sight lets you shoot with both eyes open and puts the aiming point on the same plane as the target, which makes target acquisition fast. Check the footprint and height suit your mount and firearm.
How It Compares
Also compare the ARO Red Dot for 1913 Picatinny Rail, Red Dot, Scrs Green Dot Sight for 509T Footprint and Micro Red Dot Sight with QD Mount, 20mm. Browse all rifle Dot Sights and the full Holosun range. New to this? Read our guide: Co-Witnessing Iron Sights with a Red Dot.
Ideal For
- Carbines, PCCs and shotguns with a Picatinny rail
- Flat Dark Earth rifle builds
- Shooters who want a wide open window with a green Multi-Reticle System
- Fast installation and removal with the integrated QD mount
Key Features
- Flat Dark Earth Finish Durable FDE anodized finish blends with modern rifle platforms and provides additional corrosion resistance.
- Quick Detach Picatinny Mount Integrated QD mount allows fast installation or removal while maintaining reliable zero on Picatinny rails.
- Large Open Viewing Window Expansive window design provides a wide field of view for faster target acquisition and improved situational awareness.
- 12 Brightness Settings Ten daylight and two night vision compatible brightness levels provide optimal reticle visibility in varied lighting conditions.
Compatibility & Fitment
Check the platform named in the title to confirm fit before ordering. Not sure it fits? Contact us before you order and we will check for you.
Technical Specifications
Brand | Holosun |
Type | Red Dot Sight |
Model | 510C |
Power | 1X |
Reticle | Green Dot |
Size | 2 MOA Dot with 32 MOA Circle |
Description | Solar with Internal Battery |
MOA | 2 MOA |
Finish | Matte |
Color | Flat Dark Earth |
MPN | HS510C-GR-FDE |
UPC | 605930624953 |
US Shipping & Support
Genuine Holosun, brand new and covered by the manufacturer's warranty. Shipping is free on US orders of $99 or more, and smaller orders ship from $6.95. Questions about fit, mounting or which option suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
Is this a genuine Holosun product?
Yes. It is a new, genuine Holosun product sourced through an authorized US distributor.
How much is shipping?
Shipping is free on US orders of $99 or more. Orders under $99 ship at a flat rate from $6.95 to $9.95, depending on the order total.